Mcfly

- Add regression functionality
- Fix Dataset/data generator support
- Dropped support for python 3.6, added support for python 3.9 and 3.10

- Added support for training with Datasets, generators, and other data types supported by Keras [211](https://github.com/NLeSC/mcfly/issues/211)
- Added separate classes for each model type, also allowing easier extension by own custom models [239](https://github.com/NLeSC/mcfly/pull/239)
- Dropped support for Python 3.5 (supported are: Python 3.6, 3.7 and 3.8)
- Extend and update documentation in readthedocs [250](https://github.com/NLeSC/mcfly/pull/250)
- Fix broken model visualization [256](https://github.com/NLeSC/mcfly/pull/256)

- Add ResNet architecture
- Add InceptionTime architecture
- Tensorflow dependency to 2.0
- Dropped support for Python 2.7 and added support for Python 3.7
- Early_stopping argument for train_models_on_samples() changed to early_stopping_patience
- Fix metric name issue in visualization
- Lower level functions arguments have changed by using keyword arguments dic

- Add class weight support

- Fix documentation inconsistency

- Using Tensorflow.keras instead of Keras
- Using keyword 'accuracy' instead of 'acc' in logs like latest keras versions do